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Test Info: Warnings
- This test has a WPT meta file that expects 2 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /css/css-values/tree-counting/sibling-function-descriptors.tentative.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>CSS Values and Units Test: sibling-index() and sibling-count() invalid in descriptors</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style id="test_sheet">
@page {
margin: 100px;
margin: calc(0px * sibling-index());
}
@page {
margin: 100px;
margin: calc(0px * sibling-count());
}
@font-face {
font-family: my-font;
font-weight: 300;
font-weight: calc(max(0 * sibling-index(), 400));
}
@font-face {
font-family: my-font;
font-weight: 300;
font-weight: calc(max(0 * sibling-count(), 400));
}
</style>
<script>
const rules = test_sheet.sheet.cssRules;
test(() => {
assert_equals(rules[0].style.margin, "100px");
}, "sibling-index() should not be allowed in @page properties");
test(() => {
assert_equals(rules[1].style.margin, "100px");
}, "sibling-count() should not be allowed in @page properties");
test(() => {
assert_equals(rules[2].style.fontWeight, "300");
}, "sibling-index() should not be allowed in @font-face descriptors");
test(() => {
assert_equals(rules[3].style.fontWeight, "300");
}, "sibling-count() should not be allowed in @font-face descriptors");
</script>